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Do Transplanted Hearts Assume the Age of Their New Host?

Experiments in humans and mice suggest a way to make more organs available for transplant, but may squash a theory of rejuvenation

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Famed Dancer’s Diary Offers Glimpse into Psychosis

It’s rare to have a record of someone’s descent into madness

How Menopause Symptoms Could Predict Alzheimer’s Risk

It may explain why women develop the disease more than men


Read Stories from Our Newest Print Issue: The Stupid Issue

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The Elegance of a Stupid Question

Are computers in mathematics rewriting the definitions of stupid and smart?

The Resistance Is Here

They didn’t plan to be activists. But scientists have united to overturn Trump’s drastic cuts to science.

The Return of a Discredited Pseudoscience

Eugenics is rearing its ugly head again in today’s crucible of politics and culture

How a Horse Flu Outbreak Spurred an Early Animal Rights Crusade

In 1872, New York’s devastating epizootic gave the ASPCA’s young founder a powerful moral argument for animal protection

How Do You Read Ancient Charred Scrolls? Make Your Own

A new technique could unlock the secrets of the Herculaneum scrolls

Envy at the Ballot Box

Majority voting may make us less willing to tolerate advantages for others

I’m Part of the Team Writing the Next Bible of Psychiatry—For the First Time, the DSM Will Use Biology to Understand Mental Disorders

Part of the challenge of finding a biomarker for mental illness is the environment’s significant influence

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What Do You Know About the Deep-Sea Barbie Pig?

What about the Ping Pong Sponge? The Casper the Ghost Octopus? The Gummy Squirrel?

Could AI Have Consciousness That Isn’t Human-Like?

Philosopher Peter Godfrey-Smith on AI consciousness and existential risk

What a Picture of a Dog Has to Do with Reason and Logic

People who can’t see images in their minds challenge an old philosophical standby

What Makes Humans Stupid

It takes intelligence to get things spectacularly wrong. An essay on our undoing.

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Does Religion Change Our Brains?

Devotional practices seem to shape our highest organ in distinct ways

Fire in the Brain: How Psychosis May Arise When the Body Attacks Itself

Antibodies made by the immune system can sometimes target human brain cells, producing psychiatric symptoms. Researchers aim to better identify such rare cases as well as fine-tune treatments

How Fast You Age During 40s May Predict Memory Lapses in Your 50s

As if middle-aged people don’t have enough to worry about

Why We Stay Afraid

A newly discovered brain region in mice solves a longstanding mystery about how fear lingers after threats fade

How the Pro‑Nicotine “Wellness” Movement Rebranded an Addictive Drug

The movement is focused on the idea of “clean” nicotine use, such as pouches, which don’t contain tobacco